Evaluation of the spline reconstruction technique for preclinical PET imaging. - Alexandros Vrachliotis; George A. Kastis; Nicholas E. Protonotarios; Athanasios S. Fokas; Stephan G. Nekolla; Constantinos D. Anagnostopoulos; Lena Costaridou; Anastasios Gaitanis (Comput. Methods Programs Biomed., 2022)